| /* |
| * Copyright 2002-2003 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| package javax.swing.plaf.synth; |
| |
| import javax.swing.*; |
| import javax.swing.plaf.*; |
| import javax.swing.plaf.basic.BasicPanelUI; |
| import java.awt.*; |
| import java.beans.*; |
| |
| /** |
| * Provides the Synth L&F UI delegate for |
| * {@link javax.swing.JPanel}. |
| * |
| * @author Steve Wilson |
| * @since 1.7 |
| */ |
| public class SynthPanelUI extends BasicPanelUI |
| implements PropertyChangeListener, SynthUI { |
| private SynthStyle style; |
| |
| /** |
| * Creates a new UI object for the given component. |
| * |
| * @param c component to create UI object for |
| * @return the UI object |
| */ |
| public static ComponentUI createUI(JComponent c) { |
| return new SynthPanelUI(); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| public void installUI(JComponent c) { |
| JPanel p = (JPanel)c; |
| |
| super.installUI(c); |
| installListeners(p); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| public void uninstallUI(JComponent c) { |
| JPanel p = (JPanel)c; |
| |
| uninstallListeners(p); |
| super.uninstallUI(c); |
| } |
| |
| /** |
| * Installs listeners into the panel. |
| * |
| * @param p the {@code JPanel} object |
| */ |
| protected void installListeners(JPanel p) { |
| p.addPropertyChangeListener(this); |
| } |
| |
| /** |
| * Uninstalls listeners from the panel. |
| * |
| * @param p the {@code JPanel} object |
| */ |
| protected void uninstallListeners(JPanel p) { |
| p.removePropertyChangeListener(this); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected void installDefaults(JPanel p) { |
| updateStyle(p); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected void uninstallDefaults(JPanel p) { |
| SynthContext context = getContext(p, ENABLED); |
| |
| style.uninstallDefaults(context); |
| context.dispose(); |
| style = null; |
| } |
| |
| private void updateStyle(JPanel c) { |
| SynthContext context = getContext(c, ENABLED); |
| style = SynthLookAndFeel.updateStyle(context, this); |
| context.dispose(); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| public SynthContext getContext(JComponent c) { |
| return getContext(c, getComponentState(c)); |
| } |
| |
| private SynthContext getContext(JComponent c, int state) { |
| return SynthContext.getContext(SynthContext.class, c, |
| SynthLookAndFeel.getRegion(c), style, state); |
| } |
| |
| private int getComponentState(JComponent c) { |
| return SynthLookAndFeel.getComponentState(c); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| public void update(Graphics g, JComponent c) { |
| SynthContext context = getContext(c); |
| |
| SynthLookAndFeel.update(context, g); |
| context.getPainter().paintPanelBackground(context, |
| g, 0, 0, c.getWidth(), c.getHeight()); |
| paint(context, g); |
| context.dispose(); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| public void paint(Graphics g, JComponent c) { |
| SynthContext context = getContext(c); |
| |
| paint(context, g); |
| context.dispose(); |
| } |
| |
| /** |
| * Paints the specified component. This implementation does nothing. |
| * |
| * @param context context for the component being painted |
| * @param g {@code Graphics} object used for painting |
| */ |
| protected void paint(SynthContext context, Graphics g) { |
| // do actual painting |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| public void paintBorder(SynthContext context, Graphics g, int x, |
| int y, int w, int h) { |
| context.getPainter().paintPanelBorder(context, g, x, y, w, h); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| public void propertyChange(PropertyChangeEvent pce) { |
| if (SynthLookAndFeel.shouldUpdateStyle(pce)) { |
| updateStyle((JPanel)pce.getSource()); |
| } |
| } |
| } |